1. World Health Organization (WHO), WHO Director-General’s Opening Remarks at The Media Briefing On COVID-19 - 11 March 2020, https://www.who.int/director-general/speeches/detail/who-director-general-s-opening-remarks-at-the-media-briefing-on-covid-19---11-march-2020 (2020).
2. World Health Organization (WHO), Overview, https://covid19.who.int/ (2021).
3. Elliott, L., IMF Estimates Global Covid Cost at $28tn in Lost Output, https://www.theguardian.com/business/2020/oct/13/imf-covid-cost-world-economic-outlook (2020).
4. E. Dabla-Norris, H. Khan, F. Lima and A. Sollaci, IMF Working Paper: Who Doesn’t Want to be Vaccinated? Determinants of Vaccine Hesitancy During COVID-19 (International Monetary Fund, 2021), pp. 7.
5. Influenza vaccination among infection control teams: A EUCIC survey prior to COVID-19 pandemic